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- It sets good records on drilling cycle, net drilling time and average ROP in the same kind of horizontal wells. 该井的完成 ,创同类型水平井钻井周期、纯钻时间、平均机械钻速的国内好成绩。
- Casing drilling is a new method for drilling wells that is aimed at reducing both drilling time and the incidence of unscheduled drilling events. 套管钻井技术是一种节约钻井时间,降低井下事故发生的全新的钻井工艺技术。
- Waiting on cement out of rig time and electrical logging cement quality were achieved and drilling time efficiency was rai... 该项技术成果对于渤海中深层油田的开发具有重要意义。
- Quality materials, reasonable structure and reliable performance to ensure that bit with the longest service life, reduced drilling time and reduce the use of cost. 优质的材料，合理的结构和可靠的性能确保钻头具有最长的使用寿命，因此缩短了钻进时间，降低了使用成本。
- Advances in polycrystalline diamond compact( PDC) bits have sharply increased rate of penetration( ROP),reduced drilling time and costs in oil and gas wells. 聚晶金刚石复合片（PDC）钻头的发展及应用，大大提高了钻井的机械钻速（ROP），减少了钻井时间，降低了钻井成本。
- The 5drilled wells, their average well depth is 4544m, drilling cycle is 162.55d, ROP is 2.4m/h, net drilling prescription is 45.05%, accident prescription is 0.58%, complex prescription is 3.23%. 其中;2004年完成的5口井;平均井深4544m;平均钻井周期162.;55d;平均机械钻速2
- The drilling troops mustered on the hill. 演习部队在小山上集合起来了。
- He hit the tennis ball over the net. 他把网球打过了网。
- The ball glanced off the goal post into the net. 球撞到球门柱上斜飞入网。
- The workman is drilling in the wall. 工人正在墙上打孔。
- The net weight of this jar of coffee is 180 grams. 这瓶咖啡净重180克。
- Drilling is cutting a hole with a drill. 钻削就是用钻头钻一个孔。
- If I lose my job, I've got no safety net. 我丢掉这份工作就无计可施了。
- The noise of the drilling is intolerable. 钻孔的噪音让人受不了。
- The fish tangled in the mesh of the net has died. 那条卡在网眼上的鱼已经死了。
- Practise throwing the ball into the net. 练习投篮。
- If I had time, I should read a drilling manual. 假如我有时间,我就会读一本钻井手册。
- She just tipped the ball over the net. 她刚好把球击过网。
- My fishing-line got fouled (up) in an old net. 我的钓丝跟旧鱼网缠在一起了。
- The fishermen were hauling in the net. 渔夫们正在把网拉进珑。
